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Finding the Fourth Proportional to 295.56, 405.62 and 267.87

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Solution

The fourth proportional to 295.56, 405.62 and 267.87 is: 367.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    295.56 : 405.62 = 267.87 : x
  2. Step 2: Convert to fraction form
    295.56/405.62 = 267.87/x
  3. Step 3: Cross multiply
    295.56x = 405.62 × 267.87
  4. Step 4: Simplify right side
    295.56x = 108,652.09
  5. Step 5: Solve for x
    x = 108,652.09/295.56
  6. Step 6: Final answer
    x = 367.61

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.